637333

Appears in sequences

• Numbers k such that prime(k) == 4 (mod k).at n=4A023146
• Values of transition of A072608(n) from alternating behavior (0,1,0,1,..) into steadily-1 (1,1,1,..) behavior or changing back. Expressing in terms of A072609(n): at n values it switches from steadily 0 into steadily 1 successive values or back.at n=36A072610
• Numbers k such that A068902(k+1) <= A068902(k).at n=15A283053